12800625

素因数分解:

$3^1\times 5^4\times {\mathrm{6827}}^1$

素因数の和:6850

約数の個数: 20

約数和(自身を含む): 21330672

約数和(自身を除く): 8530047

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 6827, 20481, 34135, 102405, 170675, 512025, 853375, 2560125, 4266875, 12800625]

約数ペア:

[(1, 12800625), (3, 4266875), (5, 2560125), (15, 853375), (25, 512025), (75, 170675), (125, 102405), (375, 34135), (625, 20481), (1875, 6827)]